Crayon-sharpener.



No. 704,365. Patented my 8, |902.

A. P. PETERSON.

cRAYoN SHAHPENER.

(Application led Dec. 26, 1901.)

(No Model.)

gamin:

NTTED STATES ANDREV PETER PETERSON, OF RACINE, WISCONSIN.

CRAYON-SHARPENER.

SPECIFICATION forming part of Letters Patent No. 704,365, dated July 8,1902.

Application filed December 26,1901. Serial No. 87,253. (No model.)

To all whom t may concern.-

Beit kn own that I, ANDREW PETER PETER- SON, of Racine, in the county ofRacine and State of Visconsin, have invented certain new and usefulImprovements in Crayon-Sharpeners; and I hereby declare that thefollowing is a full, clear, and exact description thereof, referencebeing had to the accompanying rtirawings, which form part of thisspecificaion.

This invention is an improved machine for sharpening crayons, chalks,dac., especially designed for sharpening tailors crayons and to givethem a perfectly-beveled straight edge and do the work quickly andeasily and to catch the waste trimmings of the crayons, so that theywill not fall upon the goods or lloors, and the machine also affords aconvenient holder for crayons, pencils, duc.

The invention consists in the novel constructions and combinations ofparts suin-v marized in the claims hereto appended, and in theaccompanying drawings I have illustrated the best form of the machinenow known to me, although I do not confine myself to the specificstructure therein shown.

In said drawings, Figure l is a side view of the device; Fig. 2, atransverse section on line 2 2, Fig. 3; Fig. 3, a longitudinal sectionon line 3 3, Fig. 2. Fig. 4t is a detail bottom view of the hinge-jointbetween plates I and J. Fig. 5 is a detail view of the plate-holdingdevice. Fig. 6 is a detail top plan view of the cutting knives and theirconnections. Fig. 7 is a detail sectional view of the stop andspring-fingers for holding the crayon in position. Fig. 8 is a detail ofa portion of the bottom plates, partly in section.

A designates the casing of the machine, which is hollow and roughlypyramidal and may be provided on its longer side with outwardly andupwardly curved base-flanges A, which serve as convenient receptaclesfor crayons, pencils, rbc., when not in use. The top of the frame A isopen, but is covered by a cap-piece d, secured in place by screws orother suitable fastenings. Said cap has a slot a in its top, in whichthe crayons are inserted during the sharpening operation. A

slide B is mounted upon and between opposite longitudinally-disposedguides C C, attached to the frame on opposite sides of the opening inthe top thereof, (below the cover c,) and to this slide are attachedshort upwardly-projecting knives b b, which are divergent and adapted tomake a double bevel cut on the crayon, these knives being detachablysecured to the slide B by being seated in a slot b' therein and retained'by a screw b2, as shown.

The slide B is embraced between bifurcations cl on the upper end of theshort arm D of a bell-crank lever, which is pivoted at its angle, andits long arm D projects out of the end of the casing through a slot A2therein and is provided with a handle by which the lever can beoperated. A coiled spring E is connected to the inner arm D of the leverand to the frame and is adapted to rock the lever, so as to keep thehandle elevated and hold the slide B normally at one end of the frame,so that by depressing the handle the slide will be forced or moved theentire length of the guides and then retracted by the action of thespring E or by raising the handle. The sides of the slide B may berecessed, as at B, to accommodate the bifurcations d of the lever.

Attached to the frame beneath cap ct are stops G G, one at each end ofthe opening in top of frame, against which stops the crayon abuts duringthe sharpening operation. Proj ecting beside and beyond each stop arespring-lingers H H, which assist in holding the crayon in position andto clean the edges of the knife blades or cutters b at eachreciprocating movement thereof. stops G are secured in place betweenprojecting lugs A3 on the main frame by screws G', and springs Il aresecured in position by having their ends clamped between the sides ofstops G and the lugs A3, as shown.

The lever D Dl may be provided with trunnions D2 at its bend, whichengage notches A4 in the bases of the opposite side of the frame and areconfined therein by a plate I, secured to the base of frame by screws I.This plate I is also provided with curved ears or lugs 't' at its fourcorners, which catch over hinge-pintles j on the corners of bottomplates J J and hinge the latter in place, said plates closing up theopening in the bottom of the casing and preventing the crayon trimmingsdropping therefrom. Said plates J J may be As shown, the

held closed by buttons L, attached to the base of the casing by screws Zand provided with rubber cushions L,which serve as feet to support theframe noiselessly on a table. The plate J beneath handle D may also beprovided With an upturned spring-plate L2, which is adapted to partiallyclose the lower end of slot A2 and prevent the casual escape of crayontrimmings therethrough.

Operation: The crayon is inserted through the openingin coverY ctbetween the stops G G and the ends of springs H H. Then the handle D isoperated to move slide B back and forth, during which movement knives btrim or sharpen the lower edge of the crayon, giving a iine doublebeveled edge thereto. The trimmings drop into the casing and areretained therein, but may be emptied by opening one of the plates J.

It is doubtless possible that the mechanical structure of the machinemay be simpli- 1ied,while retaining all essential features and partsthereof, and therefore I do not restrict myself to the specificconstruction shown in the drawings.

Having thus described my invention,what I therefore claim as new, anddesire to secure by Letters Patent thereon, is

l. In a crayon-Sharpener, the combination of the casing, the movabledivergent cutter, the horizontal guides therefor, the pivoted lever andconnections for reciprocating said cutters, substantially as described.

2. In a crayon-Sharpener, the combination of the casing, thereciprocating cutters, the crayon-stops, and the lever and connectionsfor reciprocating the cutters, substantially as described.

3. In a crayon-Sharpener, the combination of the casing, thereciprocating slide, the cutters mounted thereon, the lever foroperating said slide, and the guide fingers or springs arranged besidethe path of the cutters, substantially as described.

4. In a crayon-Sharpener, lhe combination of the casing, thereciprocating slide, the cutters thereon, the lever and connections forreciprocating said slide, the crayon-stops and the holding-springsbeside and projecting beyond the stops, substantially as described.

5. In a crayon-Sharpener, the combination of the casing, having anopening or slot in its upper end, a slide adapted to reciprocate in saidslot, the cutters attached to said slide and the lever and connectionsfor reciprocating said slide; with the pairs of guide-springs above theslide at each end of the slot, and the cover, substantially as and forthe purpose described.

6. In a crayon-Sharpener, the combination of the casing having anopening or slot in its upper end, guides at the side of the slot, aslide mounted upon and between said guides, the cutters mounted on saidslide, the pivoted lever and connections for operating said slide, thestops above and at each end of the slot in the casing, the pairs ofsprings beside the stops projecting inwardly beyond the same, and thecover having a slot for insertion of the crayon during the sharpeningoperation, substantially as and for the purpose described.

7. The combination of the casing having an openingin its top, hingedbottom plates closing the base of casing, a slide reciprocatable in saidopening, and cutters on said slide; with a bent lever pivoted at itsbend to the base of casing and having one end bifurcated and engagingsaid slide, and its other end projecting out of the easing, the stops,and guidesprings at each end of the opening in top of casing, and theremovable cover, for the purpose and substantially as described.

In testimony that I claim the foregoing as my own I aiiix my signaturein presence of two witnesses.

ANDREW PETER PETERSON.

In presence of- JAMES L. SCHRUBEN, CHARLES FAIGLE.

